| APA | TPIN. (2012, February 15). In Acronym Geek. Retrieved 04:11, February 15, 2012, from http://www.acronymgeek.com/TPIN |
| MLA | "TPIN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/TPIN>. |
| MHRA | 'TPIN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/TPIN> [accessed 15 February 2012] |
| Chicago | "TPIN", http://www.acronymgeek.com/TPIN (accessed February 15, 2012). |
| CBE/CSE | TPIN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/TPIN. |
| Bluebook | TPIN, http://www.acronymgeek.com/TPIN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TPIN, http://www.acronymgeek.com/TPIN (optional description here) (as of Feb. 15, 2012, 04:11). |
| AMA | TPIN. Acronym Geek. February 15, 2012, 04:11. Available at: http://www.acronymgeek.com/TPIN. Accessed February 15, 2012, 04:11. |